Ducati MONSTER 1200 Owner's Manual page 35

Refitting the seat
2
A
Make sure that all elements are correctly positioned
B
and fastened to the compartment under the seat (2).
Engage seat bottom front tabs (A) on tank bracket
(B) fastened to rear subframe. Hold seat rear end
lifted, push on the central fastener to engage it:
push on seat rear end until latch clicks in place. Make
sure the seat is safely secured to the frame and
remove the key from the lock.
Fig 10
34